CN105609341A - Mechanical locking method and system for transformer cabinet door based on key transmission - Google Patents
Mechanical locking method and system for transformer cabinet door based on key transmission Download PDFInfo
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- CN105609341A CN105609341A CN201610168995.1A CN201610168995A CN105609341A CN 105609341 A CN105609341 A CN 105609341A CN 201610168995 A CN201610168995 A CN 201610168995A CN 105609341 A CN105609341 A CN 105609341A
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- key
- lock
- transformer
- breaker
- circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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Abstract
The invention discloses a mechanical locking method and system for a transformer cabinet door based on key transmission. The method comprises the following steps: locking a transformer cabinet, and placing and locking a transformer key into a key interchange box; locking a circuit breaker operating mechanism of a transformer circuit breaker, and locking a circuit breaker key into a circuit breaker mechanical lock; disconnecting a transformer circuit breaker, taking the circuit breaker key out by unlocking, placing and locking the circuit breaker key into the key interchange box, taking the circuit breaker key out by unlocking, and opening the circuit breaker mechanical lock with the transformer key to perform electric operation of a transformer cabinet; locking the transformer cabinet after the electric operation of the transformer cabinet, taking the transformer key down and putting the transformer key into the key interchange box for locking, and taking the circuit breaker key out by unlocking to open the circuit breaker operating mechanism so as to operate the transformer circuit breaker. The method and the system can avoid safety accidents caused by opening a high voltage circuit breaker, a lower voltage circuit breaker and the transformer cabinet door by mistake.
Description
Technical field
The present invention relates to power plant's Operation and Maintenance technical field, particularly a kind of transformer transmitting based on keyCabinet door mechanical latching method and system.
Background technology
For strengthening electrical operation operation and relevant device management, the generation of stopping electric fault-operation accident, to electricityThe operation of gas equipment has, and following " five is anti-" requires: 1, prevent from dividing by mistake, closing breaker; 2, prevent on-loadDivide, close isolating switch; 3, prevent from being with cable address (closing) earth connection (earthed switch); 4, prevent line with ground(earthed switch) closes breaker (isolating switch); 5, prevent mistakenly entering charged chamber.
In conventional art, the booster stations part of power plant is often equipped with micro_computer five_proof system, when grid switching operation, is first preventingSimulation preview operation on mistake main frame, anti-error main frame is according to the anti-misoperation locking logical base and the current device that store in advanceLocation status, carries out latching logic judgement to each simulated operation, and correct simulated operation content is generatedPractical operation program is transferred to computer key, the content of operation that operations staff shows according to computer key, successivelyOpen corresponding puzzle lock to operate. Booster stations micro_computer five_proof system to the displacement of equipment without promptingFunction, the computer monitoring signal that places one's entire reliance upon, if computer monitoring signal is wrong, or operations staff's carelessness,General idea or monitor not in placely, has omitted this displacement signal, all may cause misoperation fault.
And the station service part of power plant is not generally all equipped with micro_computer five_proof system, to electrical equipment " five is anti-"Realize by operation order. Realize electrical equipment five by operation order anti-, depend on the factor of " people ". If openedOperation order wrong, or operations staff's carelessness, general idea or monitor not in placely, all may cause misoperation fault.Between subdistribution transformer depressor cabinet Men Yuqi high-pressure side breaker, low-pressure side breaker, do not install anti-error closingLock. In running, transformer case door may be opened by mistake, very easily opens transformer case in serviceDoor and the human casualty accident of mistakenly entering charged chamber.
Summary of the invention
Based on this, for the problems referred to above, the present invention proposes a kind of transformer case door machinery transmitting based on keyBlocking method and system can avoid pressing side breaker, low-pressure side breaker and transformer case door to be opened by mistakeAnd generation security incident.
Its technical scheme is as follows:
A transformer case door mechanical latching method of transmitting based on key, comprises the steps:
S100: with transformer mechanical lock pinning transformer case, place and lock the transformer of transformer mechanical lockLock key is in key interchange box; Pin the circuit breaker operation mechanism of transformer breaker with breaker mechanical lock,Locking lock for circuit breaker key is in breaker mechanical lock;
S200: disconnect transformer breaker, the lock for circuit breaker key in breaker mechanical lock is taken out in release, putsPut and lock lock for circuit breaker key in key interchange box, the transformer key in key interchange box is taken out in releaseSpoon, opens transformer mechanical lock with transformer lock key, carries out transformer case electric operation;
S300: complete after transformer case electric operation, with transformer mechanical lock pinning transformer case, take off changeDepressor lock key is also put into key interchange box and is locked, and the lock for circuit breaker key in key interchange box is taken out in releaseTo open breaker mechanical lock, open circuit breaker operation mechanism transformer breaker is operated.
Below its further technical scheme is described:
Further, in step S100, also comprise:
With transformer case front door lock pinning transformer case Qianmen, with after transformer case back door lock pinning transformer caseDoor, places and locks the front door lock key of transformer case front door lock, the back door lock key of transformer case back door lockIn key interchange box.
Further, in step S100, also comprise:
Pin the primary cut-out operating mechanism of high-pressure side breaker with primary cut-out lock, use low-voltage circuit breakerLock pins the Low Voltage Circuit Breaker Operating Mechanisms of low-pressure side breaker, and primary cut-out key lock breaks in heightIn the device lock of road, low-voltage circuit breaker key lock is in low-voltage circuit breaker lock.
Further, in step S100, also comprise:
Place and lock front door lock key in the front door key holder of key interchange box, after placing and lockingDoor keys is in the rear door key holder of key interchange box, and the high pressure corresponding with primary cut-out keyKey case, the low pressure key case corresponding with low-voltage circuit breaker key all keep vacant.
Further, in step S200, also comprise:
Disconnect high-pressure side breaker release and take out the primary cut-out key in primary cut-out lock, disconnect lowPress side breaker release to take out the low-voltage circuit breaker key in low-voltage circuit breaker lock, place respectively and lock highVoltage breaker key, low-voltage circuit breaker key are in the high pressure key case of key interchange box, low pressure key case;
Place primary cut-out key in high pressure key case, place low-voltage circuit breaker key in low pressure key caseAfter, the front door key holder of unlock key interchange box and rear door key holder, door key before taking out respectivelyBack door lock key in front door lock key, rear door key holder in holder;
With the key operated transformer case front door lock of front door lock, with the key operated transformer case back door lock of back door lock,Open transformer case Qianmen and back door, carry out transformer case electric operation.
Further, in step S300, also comprise:
Complete after transformer case electric operation, with front door lock key pinning transformer case front door lock, use back door lockKey pins transformer case back door lock, before taking off front door lock key and back door lock key and placing respectively and be locked inIn door key holder and rear door key holder;
Front door lock key is positioned over front door key holder, back door lock key is positioned in rear door key holderAfter, the high pressure key case of unlock key interchange box and low pressure key case, respectively from high pressure key case and low pressure keySpoon box takes out primary cut-out key, low-voltage circuit breaker key;
Open the primary cut-out operating mechanism of high-pressure side breaker with primary cut-out key, open circuit by low pressureDevice key is opened the Low Voltage Circuit Breaker Operating Mechanisms of low-pressure side breaker, and high-pressure side breaker, low-pressure side are brokenRoad device carries out electric operation.
In addition, the present invention also proposes a kind of transformer case door mechanical latching system of transmitting based on key, comprisesBe arranged at the transformer case at transformer place, and pin the transformer mechanical lock of described transformer case; Also compriseBe arranged at the transformer breaker of described transformer side, be arranged at the breaker behaviour on described transformer breakerDo mechanism, and pin the breaker mechanical lock of described circuit breaker operation mechanism; Also comprise and be arranged at described changeThe key interchange box that depressor cabinet is other, and described transformer mechanical lock comprises transformer lock key, described breakerMechanical lock comprises lock for circuit breaker key, and described transformer lock key and lock for circuit breaker key are all handed over described keyChange box corresponding matching.
Further, described transformer case comprises transformer case Qianmen and transformer case back door; Described transformerMechanical lock comprise the transformer case front door lock corresponding with described transformer case Qianmen, with described transformer case back doorCorresponding transformer case back door lock; And that described transformer lock key comprises is corresponding with described transformer case front door lockFront door lock key, the back door lock key corresponding with described transformer case back door lock.
Further, described transformer breaker comprises high-pressure side breaker and low-pressure side breaker, and described inCircuit breaker operation mechanism comprises the primary cut-out operating mechanism being arranged on the breaker of high-pressure side, and arrangesLow Voltage Circuit Breaker Operating Mechanisms on described low-pressure side breaker; And described breaker mechanical lock comprises that lock establishesPrimary cut-out lock on described primary cut-out operating mechanism, and be locked on described low-voltage circuit breaker behaviourMake the low-voltage circuit breaker lock in mechanism; Described lock for circuit breaker key comprises with primary cut-out locks corresponding high pressureBreaker key, and lock corresponding low-voltage circuit breaker key with described low-voltage circuit breaker.
Further, described key interchange box comprises that the transformer key corresponding with described transformer lock key putPut point box and a breaker key placement point box corresponding with described lock for circuit breaker key; And described transformerKey place a point box comprise the front door key holder corresponding with described front door lock key, with described back door keyThe rear door key holder that spoon is corresponding; Described breaker key is placed a point box and is comprised and described primary cut-out keyThe high pressure key case that spoon is corresponding, the low pressure key case corresponding with described low-voltage circuit breaker key.
The present invention has following outstanding beneficial effect:
(1) concept of power plant's booster stations micro_computer five_proof is introduced to station service part, propose to transmit based on keyThe technical scheme of transformer case door mechanical latching, prevents from opening transformer case door in service and mistakenly entering charged chamber.
(2) for the deficiency of original operation order method, the mechanical latching scheme of pure physics is proposed, stopThe electric misoperation causing because of the error of " people ".
Brief description of the drawings
Fig. 1 is the knot of the transformer case door mechanical latching system based on key transmission described in the embodiment of the present inventionStructure simplified schematic diagram;
Fig. 2 is the step of the transformer case door mechanical latching method based on key transmission described in the embodiment of the present inventionRapid schematic block diagram.
Description of reference numerals:
10-high voltage bus, 20-low-voltage bus bar, 100-high-pressure side breaker, 110-primary cut-out lock, 112-Primary cut-out key, 200-low-pressure side breaker, 210-low-voltage circuit breaker lock, 212-low-voltage circuit breaker keySpoon, 300-transformer case, 310-transformer case front door lock, 312-front door lock key, after 320-transformer caseDoor lock, 322-back door lock key, 400-key interchange box.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated.
As shown in Figure 1, the present invention proposes a kind of transformer case door mechanical latching system of transmitting based on key,Comprise the transformer case 300 that is arranged at transformer place, and pin the transformer machinery of described transformer case 300Lock; Also comprise the transformer breaker that is arranged at described transformer side, be arranged on described transformer breakerCircuit breaker operation mechanism, and pin the breaker mechanical lock of described circuit breaker operation mechanism; Also comprise and establishingBe placed in the other key interchange box 400 of described transformer case 300, and described transformer mechanical lock comprises transformer lockKey, described breaker mechanical lock comprises lock for circuit breaker key, described transformer lock key and breaker keySpoon all with described key interchange box 400 corresponding matching.
And described transformer breaker comprises high-pressure side breaker 100 Hes that are arranged at high voltage bus 10 sidesBe arranged at the low-pressure side breaker 200 of low-voltage bus bar 120 sides, and described circuit breaker operation mechanism comprises and being arranged atPrimary cut-out operating mechanism on high-pressure side breaker 100, and be arranged at described low-pressure side breaker 200On Low Voltage Circuit Breaker Operating Mechanisms; And described breaker mechanical lock comprises that being locked on described primary cut-out graspsMake the primary cut-out lock 110 in mechanism, and be locked on low the breaking on described Low Voltage Circuit Breaker Operating MechanismsRoad device lock 210; Described lock for circuit breaker key comprises with primary cut-out locks 110 corresponding primary cut-out keys112, and lock 210 corresponding low-voltage circuit breaker keys 212 with described low-voltage circuit breaker.
In addition, described transformer case 300 comprises transformer case Qianmen and transformer case back door, described transformerMechanical lock comprise the transformer case front door lock 310 corresponding with described transformer case Qianmen, with described transformer case afterThe transformer case back door lock 320 that door is corresponding, and described transformer lock key comprises and described transformer case front door lockThe front door lock key 312 of 310 correspondences, the back door lock key 322 corresponding with described transformer case back door lock 320.
In addition, described key interchange box 400 comprises that the transformer key corresponding with described transformer lock key putPut point box and a breaker key placement point box corresponding with described lock for circuit breaker key; And described transformerKey place a point box comprise the front door key holder corresponding with described front door lock key 312, with described back doorThe rear door key holder of lock key 322 correspondences; Described breaker key is placed a point box and is comprised and described high pressureThe high pressure key case of breaker key 112 correspondences, the low pressure key corresponding with described low-voltage circuit breaker key 212Spoon box.
In addition, as shown in Figure 2, for the above-mentioned transformer case door mechanical latching transmitting based on key, thisBright also propose a kind of based on key transmit transformer case door mechanical latching method, comprise the steps:
S100: with transformer mechanical lock pinning transformer case 300, place and lock the transformation of transformer mechanical lockDevice lock key is in key interchange box 400; Pin the breaker behaviour of transformer breaker with breaker mechanical lockDo mechanism, locking lock for circuit breaker key is in breaker mechanical lock;
Further, in step S100, also comprise:
Pin transformer case Qianmen with transformer case front door lock 310, pin and become with transformer case back door lock 320Depressor cabinet back door, places and locks front door lock key 312, the transformer case back door of transformer case front door lock 310The back door lock key 322 of lock 320 is in key interchange box 400;
Pin the primary cut-out operating mechanism of high-pressure side breaker 100 with primary cut-out lock 110, with lowVoltage breaker lock 210 pins the Low Voltage Circuit Breaker Operating Mechanisms of low-pressure side breaker 200, and primary cut-outKey 112 is locked in primary cut-out lock 110, and low-voltage circuit breaker key 212 is locked in low-voltage circuit breakerIn lock 210;
Place and lock front door lock key 312 in the front door key holder of key interchange box 400, placeAnd lock back door lock key 322 in the rear door key holder of key interchange box 400, and open circuit with high pressureThe high pressure key case of device key 112 correspondences, the low pressure key case corresponding with low-voltage circuit breaker key 212 are all protectedHold vacant.
S200: disconnect transformer breaker, the lock for circuit breaker key in breaker mechanical lock is taken out in release, putsPut and lock lock for circuit breaker key in key interchange box 400, the transformer in key interchange box is taken out in releaseLock key, opens transformer mechanical lock with transformer lock key, carries out transformer case electric operation;
Further, in step S200, also comprise:
Disconnect high-pressure side breaker 100 release and take out the primary cut-out key in primary cut-out lock 110112, disconnect low-pressure side breaker 200 release and take out the low-voltage circuit breaker key in low-voltage circuit breaker lock 210212, place respectively and lock primary cut-out key 112, low-voltage circuit breaker key 212 in key interchange boxIn 400 high pressure key case, low pressure key case;
Place primary cut-out key 112 in high pressure key case, placement low-voltage circuit breaker key 212 in low pressureAfter in key case, the front door key holder of unlock key interchange box 400 and rear door key holder, respectivelyTake out the back door lock key 322 in front door lock key 312, the rear door key holder in front door key holder;
Open transformer case front door lock 310 with front door lock key 312, open transformer with back door lock key 322Cabinet back door lock 320, opens transformer case Qianmen and back door, carries out transformer case 300 electric operations.
S300: complete after transformer case 300 electric operations, with transformer mechanical lock pinning transformer case, getLower transformer lock key is also put into 400 lockings of key interchange box, and release is taken out in key interchange box 400Lock for circuit breaker key, to open breaker mechanical lock, is opened circuit breaker operation mechanism transformer breaker is carried outOperation.
Further, in step S300, also comprise:
Complete after transformer case 300 electric operations, pin transformer case front door lock 310 with front door lock key 312,Pin transformer case back door lock 320 with back door lock key 322, take off front door lock key 312 and back door lock key322 do not place and are locked in front door key holder and rear door key holder;
Front door lock key 312 is positioned over front door key holder, back door lock key 322 is positioned over rear door keyAfter in holder, the high pressure key case of unlock key interchange box 400 and low pressure key case, respectively from high pressure keySpoon box and low pressure key case take out primary cut-out key 112, low-voltage circuit breaker key 212;
Open the primary cut-out operating mechanism of high-pressure side breaker 100 with primary cut-out key 112, useLow-voltage circuit breaker key 212 is opened the Low Voltage Circuit Breaker Operating Mechanisms of low-pressure side breaker 200, to high-pressure sideBreaker 100, low-pressure side breaker 200 carry out electric operation.
The concept of power plant's booster stations micro_computer five_proof is introduced station service part by the present invention, proposes based on key transmissionThe technical scheme of transformer case door mechanical latching, primary cut-out lock 110 pins high-pressure side breakers 100Primary cut-out operating mechanism, when high-pressure side breaker 100 is during in open position, could take out high pressureThe primary cut-out key 112 of lock for circuit breaker 110; Low-voltage circuit breaker lock 210 pins low-pressure side breaker 200Low Voltage Circuit Breaker Operating Mechanisms, when low-pressure side breaker 200 is during in open position, could take out low pressureThe low-voltage circuit breaker key 212 of lock for circuit breaker 210; And transformer case front door lock 310, transformer case back door lock320 are respectively used to pin transformer case Qianmen, transformer case back door. When the height of the neat primary cut-out lock 110 of collection212 two keys of low-voltage circuit breaker key of voltage breaker key 112, low-voltage circuit breaker lock 210, insert keySpoon interchange box 400 correspondence position time, could take out transformer case front door lock 310 front door lock key 312,The back door lock key 322 of transformer case back door lock 320, is respectively used to open transformer case Qianmen and transformer caseBack door. When electric operation finishes, transformer case Qianmen, transformer case back door recover to close, before transformer caseThe front door lock key 312 of door lock 310, the back door lock key 322 of transformer case back door lock 320 return key and hand overChange box 400, primary cut-out key 112, the low-voltage circuit breaker of primary cut-out lock 110 are locked 210 low breakingRoad device key 212 is extracted and keeps in the center respectively from key interchange box 400, could operate high pressure side breaker100 and low-pressure side breaker 200. Like this, can prevent from opening transformer case door in service and mistakenly entering charged chamber,And for the deficiency of original operation order method, the mechanical latching scheme of pure physics is proposed, stop because of " people "Error and the electric misoperation that causes.
Each technical characterictic of the above embodiment can combine arbitrarily, for making to describe succinctly, not rightThe all possible combination of each technical characterictic in above-described embodiment is all described, but, as long as these skillsThere is not contradiction in the combination of art feature, is all considered to be the scope that this description is recorded.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed,But can not therefore be construed as limiting the scope of the patent. It should be pointed out that for this areaThose of ordinary skill, without departing from the inventive concept of the premise, can also make some distortion and changeEnter, these all belong to protection scope of the present invention. Therefore, the protection domain of patent of the present invention should be with appended powerProfit requires to be as the criterion.
Claims (10)
1. a transformer case door mechanical latching method of transmitting based on key, is characterized in that, comprises as followsStep:
S100: with transformer mechanical lock pinning transformer case, place and lock the transformer of transformer mechanical lockLock key is in key interchange box; Pin the circuit breaker operation mechanism of transformer breaker with breaker mechanical lock,Locking lock for circuit breaker key is in breaker mechanical lock;
S200: disconnect transformer breaker, the lock for circuit breaker key in breaker mechanical lock is taken out in release, putsPut and lock lock for circuit breaker key in key interchange box, the transformer key in key interchange box is taken out in releaseSpoon, opens transformer mechanical lock with transformer lock key, carries out transformer case electric operation;
S300: complete after transformer case electric operation, with transformer mechanical lock pinning transformer case, take off changeDepressor lock key is also put into key interchange box and is locked, and the lock for circuit breaker key in key interchange box is taken out in releaseTo open breaker mechanical lock, open circuit breaker operation mechanism transformer breaker is operated.
2. the transformer case door mechanical latching method of transmitting based on key according to claim 1, its spyLevy and be, in step S100, also comprise:
With transformer case front door lock pinning transformer case Qianmen, with after transformer case back door lock pinning transformer caseDoor, places and locks the front door lock key of transformer case front door lock, the back door lock key of transformer case back door lockIn key interchange box.
3. the transformer case door mechanical latching method of transmitting based on key according to claim 2, its spyLevy and be, in step S100, also comprise:
Pin the primary cut-out operating mechanism of high-pressure side breaker with primary cut-out lock, use low-voltage circuit breakerLock pins the Low Voltage Circuit Breaker Operating Mechanisms of low-pressure side breaker, and primary cut-out key lock breaks in heightIn the device lock of road, low-voltage circuit breaker key lock is in low-voltage circuit breaker lock.
4. the transformer case door mechanical latching method of transmitting based on key according to claim 3, its spyLevy and be, in step S100, also comprise:
Place and lock front door lock key in the front door key holder of key interchange box, after placing and lockingDoor keys is in the rear door key holder of key interchange box, and the high pressure corresponding with primary cut-out keyKey case, the low pressure key case corresponding with low-voltage circuit breaker key all keep vacant.
5. the transformer case door mechanical latching method of transmitting based on key according to claim 4, its spyLevy and be, in step S200, also comprise:
Disconnect high-pressure side breaker release and take out the primary cut-out key in primary cut-out lock, disconnect lowPress side breaker release to take out the low-voltage circuit breaker key in low-voltage circuit breaker lock, place respectively and lock highVoltage breaker key, low-voltage circuit breaker key are in the high pressure key case of key interchange box, low pressure key case;
Place primary cut-out key in high pressure key case, place low-voltage circuit breaker key in low pressure key caseAfter, the front door key holder of unlock key interchange box and rear door key holder, door key before taking out respectivelyBack door lock key in front door lock key, rear door key holder in holder;
With the key operated transformer case front door lock of front door lock, with the key operated transformer case back door lock of back door lock,Open transformer case Qianmen and back door, carry out transformer case electric operation.
6. the transformer case door mechanical latching method of transmitting based on key according to claim 5, its spyLevy and be, in step S300, also comprise:
Complete after transformer case electric operation, with front door lock key pinning transformer case front door lock, use back door lockKey pins transformer case back door lock, before taking off front door lock key and back door lock key and placing respectively and be locked inIn door key holder and rear door key holder;
Front door lock key is positioned over front door key holder, back door lock key is positioned in rear door key holderAfter, the high pressure key case of unlock key interchange box and low pressure key case, respectively from high pressure key case and low pressure keySpoon box takes out primary cut-out key, low-voltage circuit breaker key;
Open the primary cut-out operating mechanism of high-pressure side breaker with primary cut-out key, open circuit by low pressureDevice key is opened the Low Voltage Circuit Breaker Operating Mechanisms of low-pressure side breaker, and high-pressure side breaker, low-pressure side are brokenRoad device carries out electric operation.
7. a transformer case door mechanical latching system of transmitting based on key, is characterized in that, comprises settingIn the transformer case at transformer place, and pin the transformer mechanical lock of described transformer case;
Also comprise the transformer breaker that is arranged at described transformer side, be arranged on described transformer breakerCircuit breaker operation mechanism, and pin the breaker mechanical lock of described circuit breaker operation mechanism;
Also comprise and be arranged at the other key interchange box of described transformer case, and described transformer mechanical lock comprises changeDepressor lock key, described breaker mechanical lock comprises lock for circuit breaker key, described transformer lock key and opening circuitDevice lock key all with described key interchange box corresponding matching.
8. the transformer case door mechanical latching system of transmitting based on key according to claim 7, its spyLevy and be, described transformer case comprises transformer case Qianmen and transformer case back door;
Described transformer mechanical lock comprises the transformer case front door lock corresponding with described transformer case Qianmen and instituteState transformer case back door lock corresponding to transformer case back door;
And described transformer lock key comprises the front door lock key corresponding with described transformer case front door lock and instituteState the back door lock key that transformer case back door lock is corresponding.
9. the transformer case door mechanical latching system of transmitting based on key according to claim 8, its spyLevy and be, described transformer breaker comprises high-pressure side breaker and low-pressure side breaker, and described breakerOperating mechanism comprises the primary cut-out operating mechanism being arranged on the breaker of high-pressure side, and described in being arranged atLow Voltage Circuit Breaker Operating Mechanisms on low-pressure side breaker;
And described breaker mechanical lock comprises the primary cut-out being locked on described primary cut-out operating mechanismLock, and be locked on the low-voltage circuit breaker lock on described Low Voltage Circuit Breaker Operating Mechanisms;
Described lock for circuit breaker key comprises with primary cut-out locks corresponding primary cut-out key, and with instituteState low-voltage circuit breaker and lock corresponding low-voltage circuit breaker key.
10. the transformer case door mechanical latching system of transmitting based on key according to claim 9, itsBe characterised in that, described key interchange box comprises the transformer key placement point corresponding with described transformer lock keyBox and the breaker key corresponding with described lock for circuit breaker key are placed a point box;
And described transformer key is placed point box and is comprised the front door key placement corresponding with described front door lock keyBox, the rear door key holder corresponding with described back door lock key;
Described breaker key place a point box comprise the high pressure key case corresponding with described primary cut-out key,The low pressure key case corresponding with described low-voltage circuit breaker key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168995.1A CN105609341A (en) | 2016-03-22 | 2016-03-22 | Mechanical locking method and system for transformer cabinet door based on key transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610168995.1A CN105609341A (en) | 2016-03-22 | 2016-03-22 | Mechanical locking method and system for transformer cabinet door based on key transmission |
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| CN105609341A true CN105609341A (en) | 2016-05-25 |
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| CN201610168995.1A Pending CN105609341A (en) | 2016-03-22 | 2016-03-22 | Mechanical locking method and system for transformer cabinet door based on key transmission |
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| CN110829482A (en) * | 2018-08-07 | 2020-02-21 | 阳光电源股份有限公司 | Integrated medium-voltage photovoltaic grid-connected system and interlocking control device thereof |
| CN111082353A (en) * | 2019-12-17 | 2020-04-28 | 上海平高天灵开关有限公司 | Box transformer low-voltage incoming line switch and power generation car room shared locking structure and locking method thereof |
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| CN110829482A (en) * | 2018-08-07 | 2020-02-21 | 阳光电源股份有限公司 | Integrated medium-voltage photovoltaic grid-connected system and interlocking control device thereof |
| CN110829482B (en) * | 2018-08-07 | 2022-04-08 | 阳光电源股份有限公司 | Integrated medium-voltage photovoltaic grid-connected system and interlocking control device thereof |
| CN111082353A (en) * | 2019-12-17 | 2020-04-28 | 上海平高天灵开关有限公司 | Box transformer low-voltage incoming line switch and power generation car room shared locking structure and locking method thereof |
| CN111082353B (en) * | 2019-12-17 | 2021-12-17 | 上海平高天灵开关有限公司 | Box transformer low-voltage incoming line switch and power generation car room shared locking structure and locking method thereof |
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Application publication date: 20160525 |